A dataset provided by the European Space Agency

Name 014283
Title A long XMM-Newton observation of the least luminous Seyfert galaxy NGC4395


DOI https://doi.org/10.5270/esa-rp294hl
Author Dr Kazushi Iwasawa
Description We propose a continuous 110 ks XMM-Newton observation of the dwarf Seyfert galaxy NGC4395. The active nucleus harbours a small mass black hole, M(BH)<8e4Msun, and the X-ray source is extremely variable both in flux and spectral shape. The proposed observation is aimed to investigate the X-ray light curve and the spectral variability due to a complex warm absorber. A break in the power spectrum is expected for this small system and will be used to test the scaling hypothesis of the black hole mass. The response of the warm absorber revealed from a spectral variability study will constrain the location of the absorber, which is expected to be very close to the central source.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2003-11-30T03:17:55Z/2003-12-01T10:47:40Z
Version 17.56_20190403_1200
Mission Description The European Space Agency's (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESA's second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations.
Since Earth's atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
Creator Contact https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published 2004-12-18T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2004-12-18T00:00:00Z, 014283, 17.56_20190403_1200. https://doi.org/10.5270/esa-rp294hl